Sink basin



FIG. 1 is a perspective view of a first embodiment of a sink basinshowing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a perspective view of a second embodiment of a sink basinshowing my new design;

FIG. 9 is a top view of the embodiment of FIG. 8;

FIG. 10 is a bottom view of the embodiment of FIG. 8;

FIG. 11 is a left elevational view thereof;

FIG. 12 is a right elevational view thereof;

FIG. 13 is a front elevational view thereof; and,

FIG. 14 is a rear elevational view thereof.

In the embodiment of FIGS. 1-7, the broken lines showing plumbingopenings and the bottom side are for illustrative purposes only and formno part of the claimed design, and, in the embodiment of FIGS. 8-14, thebroken lines showing a sill, plumbing openings, and the bottom side arefor illustrative purposes only and form no part of the claimed design.

The ornamental design for sink basin, as shown and described. 